CN1288878C - Multi-user expansion system - Google Patents

Multi-user expansion system Download PDF

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Publication number
CN1288878C
CN1288878C CN 03135048 CN03135048A CN1288878C CN 1288878 C CN1288878 C CN 1288878C CN 03135048 CN03135048 CN 03135048 CN 03135048 A CN03135048 A CN 03135048A CN 1288878 C CN1288878 C CN 1288878C
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China
Prior art keywords
module
frame
board module
business board
submodule
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Expired - Fee Related
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CN 03135048
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CN1604536A (en
Inventor
徐峥
佘宗胜
李先银
徐子兴
孙路遥
吴天朋
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The present invention relates to a user capacity extension proposal in a phone or a data communication system. The present invention discloses a multi-user expansion system. When the present invention needs to extend users, and particularly to extend few users, smooth upgrading in small capacity of the system can be finished, and the extension cost and the managing complexity of the system can be reduced. The multi-user expansion system comprises a host computer frame and a slave computer frame, wherein the host computer frame comprises a service board module of the host computer frame and a main control processing board module, and the slave computer frame comprises a service board module of the slave computer frame; the main control processing board module is connected with the service board module of the host computer frame by a back board or a panel of the host computer frame; the main control processing board module is connected with the service board module of the slave computer frame by a cascading cable through a point-to-point bus interface of the host computer frame; the service board module of the host computer frame and the service board module of the slave computer frame are used for responding and processing a user service; the main control processing board module is used for the management and the service convergence of the service board module of the host computer frame and the service board module of the slave computer frame, and the bandwidth control of a user.

Description

Multi-user's expanding system
Technical field
The present invention relates to the user capacity expansion scheme in phone/data communication system, particularly the small-scale user capacity expansion scheme in phone/data communication system.
Background technology
Development along with society, number of users to the demand of phone and data service constantly increases, according to (the International Data Cooperation of International Data Corporation (IDC), abbreviation " IDC ") a statistics shows, in world's Network, the telephone service annual growth is 10%, and the data service annual growth is 40%, and this just requires to improve constantly the density of communication equipment.
Many telecommunication apparatus are insertion slot type equipment, and we can be divided into several machine frames with the high rack of a 42U (1U=1.75 inch), for example, it are divided into 6 machine frames, and the height in hand of each machine frame is 6U, and all the other highly are spacing between each machine frame.Wherein, machine frame is the base unit of insertion slot type equipment, just can form certain communication function as long as add suitable integrated circuit board.According to the design specification and the configuration flexibility of now general 19-inch standard cabinet, a physical entity, for example machine frame can only provide limited user to insert, and how to realize the smooth upgrade to user's access capacity, is the common problem that the communication industry interface is faced.
In order to realize the expansion of user capacity, the solution of existing communication industry generally all is to adopt the notion based on principal and subordinate's machine frame to realize.When the user that need insert when system exceeds the ability of a physical entity, by increasing the ability that a physical entity realizes that extending user inserts.The management of two entities is based on the management of main and subordinate node, is to realize communication between the original physical entity by a kind of agreement of operation and main equipment on the physical entity that promptly increases at slave unit, finishes the agent functionality to slave unit.Can realize that like this a main equipment manages several slave units, finish smooth upgrade system.For example, insert the capacity that the user needs 1.5 physical entities altogether when under certain traffic matrix, calculating system, but because the physical entity number disperses when practical application, therefore, must dispose 2 physical entities this moment, adopt management between them, so just can realize the expansion that the user inserts based on master-slave equipment.
In actual applications, there is following problem in such scheme: adopt the solution extending user access capacity based on master-slave equipment, when the number of users of needs expansion is fewer, realize that cost is higher, the management more complicated is unfavorable for that product comes into the market fast.
Cause a main cause of this situation to be, how many users are existing technical scheme no matter need to increase, all adopt the method that increases physical entity to realize, when system only need increase a spot of user, when for example only needing the capacity of 1.1 physical entities in theory, also need same system configuration, promptly need to adopt two physical entities to realize based on the master-slave equipment management, owing to will move two physical entities and need carry out the management of master-slave equipment, cause the increase of the complexity of the cost of system and management, also be unfavorable for the rapid marketization of product.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multi-user's expanding system, makes when the needs extending user is particularly expanded small number of users, can finish the smooth upgrade of system's low capacity, and reduces the cost of system extension and the complexity of management.
In order to solve the problems of the technologies described above, the invention provides a kind of multi-user's expanding system, comprise the main frame frame and, be provided with main frame frame business board module and master control disposable plates module in the described main frame frame from machine frame, described from machine frame, being provided with from machine frame business board module, wherein
Described master control disposable plates module is connected with described main frame frame business board module, and described master control disposable plates module links to each other from machine frame business board module with described by the point-to-point bus interface of described main frame frame, and
Described main frame frame business board module and be used for the response and the processing of customer service from machine frame business board module;
Described master control disposable plates module is used for main frame frame business board module and controls from management, service convergence and the user bandwidth of machine frame business board module.
In addition, be provided with in the described main frame frame two each other main and standby relation master control disposable plates module or have only a master control processing module, and
Describedly can active and standby control and the switching that described master control disposable plates module is carried out be responded from machine frame business board module.
The point-to-point bus interface of described main frame frame realizes by a kind of mode in Low Voltage Differential Signal, Fast Ethernet, the positive supply emitter-coupled logic (ECL).
Describedly comprise interface protection submodule, be used for the isolation and the protection of external cable and internal circuit from the machine frame business board.
Described master control disposable plates module is carried out registration management and business configuration by the mode of timing scan or interruption to the main frame frame business board module of new insertion or from the machine frame business module.
In addition, be provided with in the described main frame frame two each other main and standby relation master control disposable plates module or have only a master control processing module, and comprise interface keyset module;
Described master control disposable plates module utilizes subtending cable to link to each other with described interface keyset module by the point-to-point bus interface of described main frame frame, and described interface keyset module links to each other from machine frame business board module with described by described backboard from machine frame;
Described interface keyset module is used for the isolation and the protection of external bus cable and internal circuit, finishes the selection and the switching of described active and standby master control disposable plates module path and is used for the conversion of level.
The point-to-point bus interface of described main frame frame adopts a kind of mode in Low Voltage Differential Signal, Fast Ethernet, the positive supply emitter-coupled logic (ECL) to realize.
Described interface keyset module comprises interface protection submodule, level translation submodule and active and standby control submodule;
Described interface protection submodule is connected by the point-to-point bus interface of subtending cable and described main frame frame, described interface protection submodule is connected with described active and standby control submodule, described interface protection submodule is connected with described level translation submodule, described level translation submodule is connected with described active and standby control submodule, described active and standby control submodule is connected from machine frame business board module with described, wherein
Described interface protection submodule is used to realize the isolation and the protection of interface keyset module-external cable and internal circuit;
Described active and standby control submodule is used to finish the selection and the switching of described active and standby master control disposable plates module path;
Described level translation submodule is used to realize the conversion of the differential level of control signal to the transistor-transistor logic level.
Described interface protection submodule adopts the form of transformer or AC coupled in the protection of interface.
By relatively finding, technical scheme difference with the prior art of the present invention is, the solution that is different from existing multi-user's expansion, the present invention program does not adopt the mode of main and subordinate node and adopts point-to-point bus, thereby is connected to the expansion that realizes business board from the subrack backboard by the cascade cable.On equipment control and Business Processing, be equal to main frame frame business board from the machine frame business board, belong to cascade relation between frame between the master-slave equipment.The present invention program need be in operation from machine frame from agreements such as nodes, service convergence need do not carried out from machine frame, from machine frame, do not carry out the management of business board, all operations from the machine frame business board all is put into the main frame frame realizes, only realize expansion on the physical link from machine frame.
Difference on this technical scheme has brought comparatively significantly beneficial effect, i.e. system design exploitation is simple, has only a spot of passive device, level transferring chip and drive level, has therefore reduced the system cost of multi-user's expansion; Since consistent to management with the management of main frame frame from the machine frame business board, do not need original software architecture is carried out any change, do not need to move the management agreement of main and subordinate node, so the management of system is simpler; Because the system design exploitation is simple, cost is lower, management is simple, therefore can respond the demand in market fast, satisfy user's requirement.
Description of drawings
Fig. 1 is the structure chart according to multi-user's expanding system of a specific embodiment of the present invention;
Fig. 2 is the structure chart according to the interface keyset module of a specific embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The starting point of the present invention's design is that main equipment is directly reserved point-to-point bus on backboard or panel, be connected to from subrack backboard by the cascade cable, thereby realize and dock from the machine frame business board, on equipment control and Business Processing, be equal to the business board of main frame frame from the business board of machine frame, thereby realize the expansion of business board.Belong to cascade relation between frame between this programme master-slave equipment.
Illustrate below in conjunction with a specific embodiment of the present invention.Fig. 1 illustrates the system construction drawing according to a preferred embodiment of the present invention.
As shown in the figure, multi-user's expanding system of present embodiment constitutes by main frame frame 10 with from machine frame 20.Wherein, be provided with some main frame frame business board modules 11 and two master control disposable plates modules 12 in the main frame frame 10; From machine frame 20, be provided with some from machine frame business board module 21 and an interface keyset module 22.Main frame frame 10 is original machine frame, is the machine frames that increase for the expansion that realizes power system capacity from machine frame 20.In concrete enforcement, can dispose a plurality of according to the actual needs from machine frame.
Master control disposable plates module 12 is connected with main frame frame business board module 11 by the backboard or the panel of main frame frame 10, master control disposable plates module 12 utilizes bus cable to be connected with interface keyset module 22 from machine frame 20 by the point-to-point bus interface of main frame frame 10, interface keyset module 22 by from the backboard of machine frame 20 with link to each other from machine frame business board module 21.
Main frame frame 10 is used to settle each module in the main frame frame and externally provide point-to-point bus interface for cascade.In a preferred embodiment of the present invention, this machine frame marks the space and realizes in 19-inch standard cabinet, the point-to-point bus that it externally provides is used Low Voltage Differential Signal (Low VoltageDifferential Signal, be called for short " LVDS "), bus cable can also can be drawn from backboard from panel.Those of ordinary skill in the art are appreciated that, the form that point-to-point bus realizes can have multiple, for example can also be Fast Ethernet (Fast Ethernet, abbreviation " FE "), positive supply emitter-coupled logic (ECL) bus structures such as (Pseudo/Positive Emitter Coupled Logic are called for short " PECL ").
Main frame frame business board module 11 is the business board of main frame frame 10, is used for the response and the processing of customer service.This business board and general general business board compatibility.In a preferred embodiment of the present invention, adopt business board general on the market to realize.
The function of master control disposable plates module 12 mainly contains main frame frame business board module 11 and controls from management, service convergence and the user bandwidth of machine frame business board module 21, if in order to increase the reliability of system, can also in this module, add isolation, protection and corresponding to the function of the level conversion of interface keyset module 22.Wherein service convergence is meant with a plurality of main frame frame business board modules 11 with from the Business Stream of machine frame business board module 21 and pools a Business Stream and restrain, and for example the user traffic flow of 1000 1M is pooled the Business Stream of 1 100M.System supports main frame frame business board module 11 and from the hot plug of machine frame business board module 21, during as new main frame frame business board module 11 or from 21 insertions of machine frame business board module, produce an interruption and report master control disposable plates module 12, master control disposable plates module 12 real-time responses interrupt finishing the registration management to the business board module of new insertion, professional initialization process such as configuration.Those of ordinary skill in the art are appreciated that, master control disposable plates module 12 also can adopt the mode of timing scan to realize main frame frame business board module 11 and manage from the insertion of machine frame business board module 21, because the speed of timing scan be a millisecond order of magnitude, therefore also can well realize main frame frame business board module 11 and manage from the insertion of machine frame business board module 21.In order to guarantee the reliability of system, in a preferred embodiment of the present invention, use two master control disposable plates modules 12, it between them main and standby relation, one of them master control disposable plates module 12 is the standby of another master control disposable plates module 12, system is not switched in real time when the master control disposable plates module of using 12 is not worked, and uses standby master control disposable plates module 12.Those of ordinary skill in the art are understood that, only use a master control disposable plates module 12 can realize the function of system fully, just can cause the decline of the stability of a system.
Be used to settle each module in the machine frame from machine frame 20.Different with existing multi-user's expanding system based on the principal and subordinate, the present invention need or not carry out service convergence from agreements such as nodes in operation from machine frame 20 from machine frame 20, do not carry out the management of business board from machine frame 20.All operations from machine frame business board module 21 all is put into realization the main frame frame 10, from 20 expansions that realize on the physical link of machine frame.In a preferred embodiment of the present invention, the convenience for system's expansion later on also externally provides point-to-point bus interface for the cascade of next stage machine frame from machine frame 20, and bus cable can also can be drawn from backboard from panel.
From machine frame business board module 21 is business board from machine frame 20, is used for the response and the processing of customer service.Its function and main frame frame business board module 11 are similar, after having increased interface keyset module 22, need be when functions such as interface protection that from machine frame business board module 21, inserts bus and level conversion, from machine frame business board module 21 can with main frame frame business board module 11 compatibilities.In a preferred embodiment of the present invention, from machine frame business board module 21 and main frame frame business board module 11 compatibilities, carry out the mutual of business from the business of machine frame business board module 21 by the master control disposable plates module 12 of cascade bus and main frame frame 10, finish the access and the management of customer service.
Interface keyset module 22 is used for the isolation and the protection of external bus cable and internal circuit, finishes the selection and the switching of active and standby master control disposable plates module 12 paths and is used for the conversion of level.Those of ordinary skill in the art be appreciated that the isolation of external bus cable and internal circuit and protection can, do not influence the realization of systemic-function, just can cause the performance of system and stability to reduce; Equally, the selection and the switching of active and standby master control disposable plates module 12 paths and the conversion that is used for level can not need.Therefore interface keyset module 22 can be omitted, if do not consider after machine frame, can expand to the mode of main and subordinate node, can consider main frame frame 10 higher level's on line cables with directly be connected from machine frame business board module 21, save a groove position, improve the density of system design, but need according to signal form that bus transmit do some changes from machine frame business board module 21 this moment, for example increases functions such as isolation and protection, active and standby selection switching and level conversion.In a preferred embodiment of the present invention, be to increase interface keyset module 22 for the stability needs of system on the engineering.
Structure chart such as the Fig. 2 of interface keyset module 22 in a preferred embodiment of the present invention.
Interface keyset module 22 comprises interface protection submodule 31, level translation submodule 32 and active and standby control submodule 33.
Interface protection submodule 31 is connected by the point-to-point bus interface of bus cable 41 and main frame frame 10, and bus cable 41 is a bidirectional bus, is used to transmit the service signal and the control signal of differential level; Interface protection submodule 31 is connected with active and standby control submodule 33 by bus cable 43, and bus cable 43 is a bidirectional bus, transmits the service signal of differential level; Interface protection submodule 31 is connected with level translation submodule 32 by cable 42, and cable 42 is an one-way transmission, the control signal of differential level is protected submodule 31 from interface be sent to level translation submodule 32; Level translation submodule 32 is connected with active and standby control submodule 33 by cable 44, cable 44 is an one-way transmission, the control signal of transistor-transistor logic (Transistor-Transistor Logic is called for short " TTL ") level is sent to active and standby control submodule 33 from level translation submodule 32; Active and standby control submodule 33 passes through bus cable 45 and is connected from machine frame business board module 21, and bus cable 45 is a bidirectional bus, the service signal of transmission difference (TTL) level.
Interface protection submodule 31 is realized the isolation and the protection of interface keyset module 22 external cables and internal circuit, for example to Electrostatic protection, to improve the reliability of equipment.In a preferred embodiment of the present invention, interface protection submodule 31 is isolated by transformer, utilizes Transient Voltage Suppressor (Transient Voltage Suppressor is called for short " TVS ") (pipe) to carry out protective treatment.Be familiar with the person skilled in art and be appreciated that interface protection submodule 31 can adopt implemented in many forms such as transformer and AC coupled.
Active and standby control submodule 33 is finished the selection and the switching of active and standby master control disposable plates module 12 paths.During specific implementation, the signal that this module sends by master control disposable plates module 12 decides to be selected and switching, and this module uses the differential driver of band selection function to realize.
Level translation submodule 32 is realized the conversion of the differential level of control signal on the cable 42 to Transistor-Transistor Logic level, thereby controls selection and switching that active and standby control submodule 33 is realized path.
In another preferred embodiment of the present invention, from machine frame 20, do not comprise interface keyset module 22, will be but adopt from the machine frame business board module 21 direct modes that are connected with master control disposable plates module 12.In order to improve the reliability of equipment, need be used to realize the isolation and the protection of external cable and internal circuit, for example to Electrostatic protection add an interface protection submodule from machine frame business board module 21.This interface protection submodule can adopt implemented in many forms such as transformer and AC coupled.
Though by reference some preferred embodiment of the present invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that, can do various changes to it in the form and details, and the spirit and scope of the present invention that do not depart from appended claims and limited.

Claims (9)

1. multi-user's expanding system is characterized in that comprising the main frame frame and from machine frame, be provided with main frame frame business board module and master control disposable plates module in the described main frame frame, described being provided with from machine frame business board module, wherein from machine frame
Described master control disposable plates module is connected with described main frame frame business board module, and described master control disposable plates module links to each other from machine frame business board module with described by the point-to-point bus interface of described main frame frame, and
Described main frame frame business board module and be used for the response and the processing of customer service from machine frame business board module;
Described master control disposable plates module is used for main frame frame business board module and controls from management, service convergence and the user bandwidth of machine frame business board module.
2. multi-user's expanding system according to claim 1 is characterized in that, be provided with in the described main frame frame two each other main and standby relation master control disposable plates module or have only a master control disposable plates module, and
Describedly can active and standby control and the switching that described master control disposable plates module is carried out be responded from machine frame business board module.
3. multi-user's expanding system according to claim 1 is characterized in that, the point-to-point bus interface of described main frame frame realizes by a kind of mode in Low Voltage Differential Signal, Fast Ethernet, the positive supply emitter-coupled logic (ECL).
4. multi-user's expanding system according to claim 1 is characterized in that, describedly comprises interface protection submodule from machine frame business board module, is used for the isolation and the protection of external cable and internal circuit.
5. multi-user's expanding system according to claim 1, it is characterized in that described master control disposable plates module is carried out registration management and business configuration by the mode of timing scan or interruption to the main frame frame business board module of new insertion or from machine frame business board module.
6. multi-user's expanding system according to claim 1 is characterized in that, be provided with in the described main frame frame two each other main and standby relation master control disposable plates module or have only a master control disposable plates module, and comprise interface keyset module;
Described master control disposable plates module utilizes subtending cable to link to each other with described interface keyset module by the point-to-point bus interface of described main frame frame, and described interface keyset module links to each other from machine frame business board module with described by described backboard from machine frame;
Described interface keyset module is used for the isolation and the protection of external bus cable and internal circuit, finishes the selection and the switching of described active and standby master control disposable plates module path and is used for the conversion of level.
7. multi-user's expanding system according to claim 6 is characterized in that, the point-to-point bus interface of described main frame frame adopts a kind of mode in Low Voltage Differential Signal, Fast Ethernet, the positive supply emitter-coupled logic (ECL) to realize.
8. multi-user's expanding system according to claim 7 is characterized in that, described interface keyset module comprises interface protection submodule, level translation submodule and active and standby control submodule;
Described interface protection submodule is connected by the point-to-point bus interface of subtending cable and described main frame frame, described interface protection submodule is connected with described active and standby control submodule, described interface protection submodule is connected with described level translation submodule, described level translation submodule is connected with described active and standby control submodule, described active and standby control submodule is connected from machine frame business board module with described, wherein
Described interface protection submodule is used to realize the isolation and the protection of interface keyset module-external cable and internal circuit;
Described active and standby control submodule is used to finish the selection and the switching of described active and standby master control disposable plates module path;
Described level translation submodule is used to realize the conversion of the differential level of control signal to the transistor-transistor logic level.
9. according to claim 4 or 8 described multi-user's expanding systems, it is characterized in that described interface protection submodule adopts the form of transformer or AC coupled in the protection of interface.
CN 03135048 2003-09-30 2003-09-30 Multi-user expansion system Expired - Fee Related CN1288878C (en)

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Publication number Priority date Publication date Assignee Title
CN1937782B (en) * 2006-08-04 2010-04-14 华为数字技术有限公司 Frame device and its message transmitting method
CN101001474A (en) * 2006-12-31 2007-07-18 华为技术有限公司 Communication equipment, method and exchange plate for implementing multi-service unified exchange
DE102011083476A1 (en) * 2011-09-27 2013-03-28 Robert Bosch Gmbh Communication arrangement with multichannel logical communication over a physical transmission link for serial interchip data transmission
CN103312539B (en) * 2013-05-20 2016-09-28 华为技术有限公司 Master and slave frame cascade system in access device
CN111586331A (en) * 2019-02-18 2020-08-25 浙江宇视科技有限公司 Video processing equipment

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